D. Mantel and Wall Projections
WARNING! Risk of Fire! Comply with all minimum clear- ances as specified. Framing or finishing material closer than the minimums listed must be constructed entirely of noncom- bustible materials (i.e., steel studs, concrete board, etc).
Note: All |
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measurements |
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in inches. | CEILING |
| MAX. |
| 12 |
| 11 |
TOP VIEW
FIREPLACE |
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OPENING |
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| Min. |
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Note: Clearance from opening to perpendicular wall.
1/2 in. Min.
Unlimited
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| 10 |
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| 8 | 9 |
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7 |
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| 32 | |
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6 |
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5 |
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| 12 13 | MIN. |
4 |
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| 10 11 |
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3 |
| 6 | 7 | 8 | 9 |
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4 | 5 |
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TOP OF HOOD OR FIREPLACE OPENING | ||||||||
Figure 5.3 Minimum Vertical and Maximum Horizontal |
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Dimensions of Combustibles |
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Note: All |
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measurements |
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| CEILING |
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in inches. |
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MAX. |
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| 18 |
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| 12 |
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| 11 |
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| 10 |
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| 32 |
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| 9 |
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| MIN. |
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| 8 |
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| 14 |
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| 8 |
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7 |
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| 6 | 7 |
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6 |
| 4 | 5 |
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5 | 2 | 3 |
4 | 1 |
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TOP OF HOOD OR FIREPLACE OPENING | ||
Figure 5.4 Minimum Vertical and Maximum Horizontal
Dimensions of Non-Combustibles
Figure 5.5 Combustible Mantel Leg or Wall Projections (Acceptable on both sides of opening)
SHEETROCK
3.5 in.
AIR SPACE REQUIRED
Figure 5.6 Non-Combustible Zone
20 | Heatilator • GDST3831I • |
